Commit 8d525c51 authored by Mohan Srinivasan's avatar Mohan Srinivasan
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Android: MMC/UFS IO Latency Histograms. 



This patch adds a new sysfs node (latency_hist) and reports IO
(svc time) latency histograms. Disabled by default, can be enabled
by echoing 0 into latency_hist, stats can be cleared by writing 2
into latency_hist.

Bug: 30677035
Change-Id: I625938135ea33e6e87cf6af1fc7edc136d8b4b32
Signed-off-by: default avatarMohan Srinivasan <srmohan@google.com>
parent 50acf9e6
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